OT-2026-000056260
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained blow-off after set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000056260) never changes.
Identity and time
| Publication number | OT-2026-000056260 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd1-749b-b099-9019bceb869d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056260 |
| Status | PUBLIC |
Content hashes
| Canonical text | 477d49b40e2f3654536678edb59c1c6e33dadaaaf0d25cc85220983db2f7f14b |
|---|---|
| Markdown | 837d562e7e077a0d20c02ef63415eba889367b3d10acc9feb0be7ebf8da899be |
| Publication page | b3b321462443b8c9befb50c43c28f361850f37870de405c9e50e780829e6dde9 |
| Manifest | 231e70ef78f61001761226b1d706d232b0af03e2a98c65bc4db00698a8709c6c |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | VnMrsKXfSHMGK9RX55481VXTmrjiSv6WSlIPNWVLG2c5EHaWxpqOr4N6FkQjV093Xc+zuhoD0LvtYydDeEt8Bg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:50:44.654571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056260observed b3b321462443b8c9befb50c43c28f361...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:44.637624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056260/manifest.jsonobserved 231e70ef78f61001761226b1d706d232...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:44.617813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056260/publication.mdobserved 837d562e7e077a0d20c02ef63415eba8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:44.599707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056260/publication.txtobserved 477d49b40e2f3654536678edb59c1c6e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|